Reduction of crosssection area
[化] 断面收缩率
🧩 词语组成解析
of
[əv]
prep. 关于;属于…的;由…制成;
aux. 助动词 [非标准用语、方言] =have [主用于虚拟语气];
area
['ɛrɪə]
n. 地区;区域，范围;面积，平地;领域;
🗣️ 情景例句
Keep quiet, I'm trying to get some work done.
请安静，我要处理一些工作。
This is my fourth year of college, I'm a senior.
这是我上大学的第四年，我是四年级学生。
Maybe he could help James. So they took the boy to visit him.
也许他能给詹姆斯治病。于是他们带着詹姆斯去找他。